Gaskets

Details Gaskets Gaskets

1981-02-26

1983-06-14

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1508

Patent

active

043879047

ABSTRACT:
A gasket for sealing the joint between the cylinder head and exhaust manifold of an internal combustion engine comprises a flat sheet metal base layer (1) having an opening or openings (A) therein corresponding to the number of cylinder head and exhaust manifold ports around which a seal is required, a second layer in the form of a radially corrugated metal annulus or annuli (2) applied to the base layer (1) around the or each opening (A), with the radially inner parts of the or each annulus (2g) spaced apart from the base layer (1) around the or each opening (A), and a sheet metal layer (D) which effectively increases the thickness of the base layer (1) in regions of the base layer which surround securing stud apertures (C) therein. The layer (D) may be formed by folding over the base layer sheet (1) or alternatively it may be a separately attached sheet metal layer.

REFERENCES:
patent: 4196913 (1980-04-01), Oka
patent: 4290616 (1981-09-01), Nicholson
patent: 4312512 (1982-01-01), Conte

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